.markdown-content {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
  color: #2e2e2e;
  background: #fff;
  font-size: 16px;
  line-height: 1.75;
  padding: 24px 16px;
  max-width: 700px;
  margin: 32px auto;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  border-radius: 8px;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  font-weight: bold;
  color: #222;
  margin-top: 1.8em;
  margin-bottom: 1em;
  line-height: 1.4;
}

.markdown-content h1 { font-size: 2em; border-left: 4px solid #07c160; padding-left: 10px; }
.markdown-content h2 { font-size: 1.5em; border-left: 3px solid #07c160; padding-left: 8px; }
.markdown-content h3 { font-size: 1.2em; border-left: 2px solid #07c160; padding-left: 6px; }
.markdown-content h4 { font-size: 1em; }
.markdown-content h5 { font-size: 0.95em; }
.markdown-content h6 { font-size: 0.9em; }

.markdown-content p {
  margin: 1em 0;
  word-break: break-word;
}

.markdown-content a {
  color: #07c160;
  text-decoration: underline;
  transition: color 0.2s;
}

.markdown-content a:hover {
  color: #1296db;
}

.markdown-content ul,
.markdown-content ol {
  margin: 1em 0 1em 2em;
  padding: 0;
}

.markdown-content li {
  margin: 0.5em 0;
}

.markdown-content blockquote {
  border-left: 4px solid #07c160;
  background: #f8f8f8;
  color: #555;
  margin: 1em 0;
  padding: 0.8em 1em;
  border-radius: 4px;
}

.markdown-content code {
  background: #f2f2f2;
  color: #d14;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.95em;
  font-family: "Fira Mono", "Consolas", "Menlo", monospace;
}

.markdown-content pre {
  background: #f6f8fa;
  border-radius: 4px;
  padding: 1em;
  overflow-x: auto;
  font-size: 0.95em;
  margin: 1.2em 0;
}

.markdown-content pre code {
  background: none;
  color: inherit;
  padding: 0;
  border-radius: 0;
}

.markdown-content img {
  max-width: 100%;
  display: block;
  margin: 1.2em auto;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.markdown-content table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.2em 0;
  background: #fafbfc;
}

.markdown-content th,
.markdown-content td {
  border: 1px solid #eaeaea;
  padding: 0.6em 1em;
  text-align: left;
}

.markdown-content th {
  background: #f3f3f3;
  font-weight: bold;
}

.markdown-content hr {
  border: none;
  border-top: 2px solid #eaeaea;
  margin: 2em 0;
}